ex·tra·ter·res·tri·al
ˌek-strə-tə-ˈre-strē-əl 
-ˈres-chəl,
-ˈresh-chəl
: originating, existing, or occurring outside the earth or its atmosphere
extraterrestrial life
: a being from another world : an extraterrestrial being
Examples of extraterrestrial in a Sentence
Recent Examples on the Web
Leonard David, Space.com, 27 Aug. 2025
The violence, however, is nothing compared to the overall creature effects with the show’s new cast of extraterrestrial terrors.
—Fran Hoepfner, Vulture, 25 Aug. 2025
Jeanette Hurt, Forbes.com, 21 Aug. 2025
The findings apply if those extraterrestrials explore their own cosmic backyards in a way similar to us.
—Robert Lea, Space.com, 21 Aug. 2025
See All Example Sentences for extraterrestrial
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Adjective
Researchers from the Planetary Habitability Laboratory at the University of Puerto Rico at Arecibo are proposing a less extraterrestrial explanation.
—Leonard David, Space.com, 27 Aug. 2025
The violence, however, is nothing compared to the overall creature effects with the show’s new cast of extraterrestrial terrors.
—Fran Hoepfner, Vulture, 25 Aug. 2025
Noun
The rum’s namesake, the kraken, shares some similarities with aliens and extraterrestrials.
—Jeanette Hurt, Forbes.com, 21 Aug. 2025
The findings apply if those extraterrestrials explore their own cosmic backyards in a way similar to us.
—Robert Lea, Space.com, 21 Aug. 2025
See All Example Sentences for extraterrestrial
Cite this Entry
“Extraterrestrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extraterrestrial. Accessed 4 Sep. 2025.
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